brucite (plural brucites)
(mineral) A mineral form of magnesium hydroxide, Mg(OH)2, often found in thin foliated plates, but may be fibrous (see nemalite), of a white or greenish color and vitreous to pearly luster.
• tricube
Source: Wiktionary
Bru"cite, n. Etym: [Named after Dr. A.Bruce of New York.] (Min.) (a) A white, pearly mineral, occurring thin and foliated, like talc, and also fibrous; a native magnesium hydrate. (b) The mineral chondrodite. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
